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hw/loader: Support ramdisk with u-boot header

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Introduce 'load_ramdisk()' which can load "normal" ramdisks and ramdisks
with a u-boot header.
To enable this and leverage synergies 'load_uimage()' is refactored to
accomodate this additional use case.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1373323202-17083-2-git-send-email-soren.brinkmann@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Soren Brinkmann 2013-07-08 15:40:01 -07:00 • committed by Peter Maydell
parent c8a07b355d
commit 84aee0deae
2 changed files with 72 additions and 25 deletions
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13
include/hw/loader.h
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@ -17,6 +17,19 @@ int load_aout(const char *filename, hwaddr addr, int max_sz,
int load_uimage(const char *filename, hwaddr *ep,
hwaddr *loadaddr, int *is_linux);
/**
* load_ramdisk:
* @filename: Path to the ramdisk image
* @addr: Memory address to load the ramdisk to
* @max_sz: Maximum allowed ramdisk size (for non-u-boot ramdisks)
*
* Load a ramdisk image with U-Boot header to the specified memory
* address.
*
* Returns the size of the loaded image on success, -1 otherwise.
*/
int load_ramdisk(const char *filename, hwaddr addr, uint64_t max_sz);
ssize_t read_targphys(const char *name,
int fd, hwaddr dst_addr, size_t nbytes);
void pstrcpy_targphys(const char *name,